package com.firewolf.permission;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.authz.permission.WildcardPermission;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;

public class MyRealm extends AuthorizingRealm {
	@Override
	protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
		SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
		authorizationInfo.addRole("role1");
		authorizationInfo.addRole("role2");
		authorizationInfo.addObjectPermission(new BitPermission("+user1+10"));
		authorizationInfo.addObjectPermission(new WildcardPermission("user1:*"));
		authorizationInfo.addStringPermission("+user2+10");
		authorizationInfo.addStringPermission("user2:*");
		return authorizationInfo;
	}

	@Override
	protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
		 String username = (String)token.getPrincipal();  //得到用户名
	        String password = new String((char[])token.getCredentials()); //得到密码
	        if(!"zhang".equals(username)) {
	            throw new UnknownAccountException(); //如果用户名错误
	        }
	        if(!"123".equals(password)) {
	            throw new IncorrectCredentialsException(); //如果密码错误
	        }
	        //如果身份认证验证成功，返回一个AuthenticationInfo实现；
	        return new SimpleAuthenticationInfo(username, password, getName());
	}
}
